Example uses ApolloLink, but documentation does not mention where it comes from

[thomergil]

Would be good to document npm (or yarn) install of apollo-link and if the example included the import it. Thank you.

[sk8Guerra]

@thomergil, ApolloLink comes from apollo-link package. A new instance of this package is passed in the link prop of ApolloClient like so:

const client = new ApolloClient({
    link: ApolloLink.from([
        new TokenRefreshLink({
...

Hope this helps.